CN211753459U - Efficient and energy-saving dust settling device for building construction - Google Patents
Efficient and energy-saving dust settling device for building construction Download PDFInfo
- Publication number
- CN211753459U CN211753459U CN201922457085.7U CN201922457085U CN211753459U CN 211753459 U CN211753459 U CN 211753459U CN 201922457085 U CN201922457085 U CN 201922457085U CN 211753459 U CN211753459 U CN 211753459U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- dust
- fagging
- building construction
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Prevention Of Fouling (AREA)
Abstract
The utility model discloses a building construction is with energy-efficient dust device, belong to dust device technical field, its technical scheme main points are, including the mount, the jack of two symmetric distributions of up end fixedly connected with of mount, the up end fixedly connected with fagging of two ejector pins, the up end of fagging is fixedly connected with storage water tank and dust extraction from a left side to the right side in proper order, the up end of storage water tank is fixedly connected with solar panel and seal box from a left side to the right side in proper order, fixedly connected with high-pressure water atomizer and water pump from a left side to the right side in proper order in the inside of seal box, one side fixedly connected with dryer that two loose bearings are relative, the other end of hydraulic telescoping rod and the lower extreme fixed connection of dryer, when starting the jack, when the ejector pin promoted the fagging, fagging rises together with backup pad top fixed connection's dryer, dust extraction and storage water tank, The farther and the larger spraying range, the higher dust-settling effect.
Description
Technical Field
The utility model relates to a screening sand technical field, in particular to energy-efficient dust device for construction.
Background
The building construction refers to production activities in the engineering construction implementation stage, is the construction process of various buildings, and can also be said to be a process of changing various lines on design drawings into objects at specified places, the place of construction operation is called as a building construction site or construction site, also called as a construction site, a large amount of dust can appear in many places in the building construction, the appearance of a large amount of dust can influence the work of workers, and the long-time work around the dust can influence the health of the workers.
However, the existing dust fall device for building construction has a small spraying range and low dust fall efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model provides a dust device of high-efficient energy-conserving for construction, it is little to aim at solving the dust device spraying range that current construction used, the inefficiency problem of dust fall.
The utility model is realized in such a way, the high-efficiency energy-saving dust-settling device for building construction comprises a fixed frame, the upper end surface of the fixed frame is fixedly connected with two jacks which are symmetrically distributed, the output ends of the two jacks are fixedly connected with ejector rods, the upper end surface of the ejector rod is fixedly connected with a supporting plate, the upper end surface of the supporting plate is fixedly connected with a water storage tank and a dust suction device from left to right in sequence, the left side of the water storage tank is communicated with a water pipe, the lower end surface of the supporting plate is fixedly connected with a controller, the controller is positioned between the two jacks, the upper end surface of the water storage tank is fixedly connected with a solar panel and a seal box from left to right in sequence, the interior of the seal box is fixedly connected with a high-pressure water atomizer and a water pump from left to right in sequence, the upper end surface of the seal box is fixedly connected, two the inside of movable stay bar all is pegged graft and is had loose bearing, two one side fixedly connected with dryer that the loose bearing is relative, the up end fixedly connected with pneumatic cylinder of motor support, the output fixedly connected with hydraulic telescoping rod of pneumatic cylinder, hydraulic telescoping rod's the other end and the lower extreme fixed connection of dryer.
In the high-pressure water atomizer is pumped to in the water pump line with the storage water tank for the convenience, make the high-pressure water atomizer increase pressure to the water speed, when being convenient for with water from the shower nozzle blowout, the spun distance is farther, reaches energy-efficient dust fall effect, as the utility model discloses a construction is with high-efficient energy-saving dust fall device preferred, the lower extreme intercommunication of water pump has the water pump line, the lower extreme of water pump line runs through seal box and storage water tank and extend to the inside of storage water tank from last to down in proper order.
When water in order to increase pressure is carried out from a plurality of shower nozzles, the spun distance is farther, makes dust device carry out the dust fall operation more extensively, and the dust fall effect improves, has reduced the waste of water spray simultaneously, reaches energy-efficient dust fall effect, as the utility model discloses a building construction is with energy-efficient dust fall device preferred, the left side intercommunication of water pump has the connecting pipe, the other end of connecting pipe and high-pressure water fog ware's right side intercommunication.
Inside carrying the dryer in order to make things convenient for carrying the inside water of high-pressure water atomizer with pipeline, as the utility model discloses a construction is with high-efficient energy-conserving dust device preferred, the left side intercommunication of high-pressure water atomizer has pipeline, pipeline's the other end is supreme down runs through seal box and dryer in proper order and extends to the inside of dryer.
For the water that makes the shower nozzle carry out under the effect of fan, form vaporific drop of water, the dust device that has reduced the dust and make reaches the effect of dust fall, as the utility model discloses a high-efficient energy-saving dust device is preferred for the construction, fixedly connected with spray tube between the upper and lower inside wall of dryer, the left side and the pipeline intercommunication of spray tube, the right side intercommunication of spray tube has a plurality of shower nozzles.
In order to make the dust device that construction used reach the effect of high-efficient dust removal, as the utility model discloses a dust device is preferred for construction high-efficient energy-conserving, dust extraction's preceding terminal surface is pegged graft and is had the collection box, dust extraction's up end intercommunication has the dust absorption pipe, the other end fixedly connected with suction hood of dust absorption pipe.
In order to conveniently remove dust device with the universal wheel, when the fagging was through very heavy jacking, the auxiliary rod that the fagging below set up can the auxiliary stay board, made the pressure that the jack received reduce, made the fagging go up and down more steady, as the utility model discloses a high-efficient energy-saving dust device is preferred for construction, the universal wheel of four symmetric distributions of lower terminal surface fixedly connected with of mount, two push rods of left side fixedly connected with of mount, four auxiliary rod, four of four symmetric distributions of up end fixedly connected with of mount the up end of auxiliary rod and the lower terminal surface fixed connection of fagging.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the efficient energy-saving dust settling device for building construction is characterized in that two symmetrically-distributed jacks are fixedly connected to the upper end face of a fixing frame, when the jacks are started, when a push rod pushes a supporting plate to ascend, the supporting plate and an air cylinder fixedly connected above the supporting plate, a dust suction device and a water storage tank ascend together, water drops sprayed by the air cylinder are higher and farther, the spraying range is enlarged, the dust settling effect is improved, a supporting rod and a hydraulic cylinder are movable on the upper end face of a sealing box, the air cylinder can rotate, the spraying range is conveniently enlarged, a solar panel is fixedly connected to the upper end of the water storage tank, solar heat energy is converted into electric energy, the electric energy is stored in a storage battery inside a high-pressure water sprayer to supply power the high-pressure water sprayer, the dust settling device achieves the efficient energy-saving dust settling effect, the spraying range is large;
2. according to the efficient energy-saving dust settling device for building construction, the other end of the connecting pipe is communicated with the right side of the high-pressure water sprayer, the water pump pumps out the water storage tank and conveys the water into the high-pressure water sprayer, then the high-pressure water sprayer conveys water into the air cylinder, the water conveyed into the air cylinder increases water velocity pressure through the high-pressure water sprayer, and when the water with increased pressure is conveyed out of the spray heads, the sprayed distance is farther, so that the dust settling device performs dust settling operation in a wider range, the dust settling effect is good, meanwhile, the waste of water is reduced, and the efficient energy-saving dust settling effect is achieved;
3. this kind of energy-efficient dust device for construction collects the box through the preceding terminal surface grafting at dust extraction, removes dust to the dust in construction place with the suction hood that the dust extraction top set up, collects the box and is convenient for the staff and clears up the dust that dust extraction collected to make the dust device for construction reach the effect of high-efficient dust removal.
Drawings
Fig. 1 is an overall structure diagram of the high-efficiency energy-saving dust settling device for building construction of the utility model;
FIG. 2 is an internal structure view of the sealing box of the present invention;
FIG. 3 is an internal structure view of the wind tunnel of the present invention;
FIG. 4 is a structural diagram of the sealing box of the present invention;
in the figure, 1, a fixed frame; 101. a universal wheel; 102. a push rod; 103. an auxiliary lever; 2. a jack; 201. A top rod; 3. a supporting plate; 4. a controller; 5. a dust collection device; 501. a collection box; 502. a dust hood; 503. A dust collection pipe; 6. a water storage tank; 601. a water pipe; 7. a sealing box; 701. a water pump; 702. a water pump pipe; 703. A connecting pipe; 704. a high pressure water atomizer; 705. a delivery conduit; 706. a solar panel; 8. a hydraulic cylinder; 801. A hydraulic telescopic rod; 802. a movable stay bar; 803. a motor support; 804. a movable bearing; 9. an air duct; 901. a nozzle; 902. and (4) a spray head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-4, the present invention provides a technical solution: the efficient energy-saving dust settling device for building construction comprises a fixing frame 1, wherein the upper end face of the fixing frame 1 is fixedly connected with two jacks 2 which are symmetrically distributed, the output ends of the two jacks 2 are fixedly connected with ejector rods 201, the upper end faces of the two ejector rods 201 are fixedly connected with a supporting plate 3, the upper end face of the supporting plate 3 is fixedly connected with a water storage tank 6 and a dust suction device 5 from left to right in sequence, the left side of the water storage tank 6 is communicated with a water pipe 601, the lower end face of the supporting plate 3 is fixedly connected with a controller 4, the controller 4 is positioned between the two jacks 2, the upper end face of the water storage tank 6 is fixedly connected with a solar panel 706 and a seal box 7 from left to right in sequence, the interior of the seal box 7 is fixedly connected with a high-pressure water sprayer 704 and a water pump 701 from left to right in sequence, the upper end face of the seal, the inside of two movable stay poles 802 all is pegged graft and is had loose bearing 804, and two one side fixedly connected with dryer 9 that loose bearing 804 is relative, the up end fixedly connected with pneumatic cylinder 8 of motor support 803, the output fixedly connected with hydraulic telescoping rod 801 of pneumatic cylinder 8, the other end of hydraulic telescoping rod 801 and the lower extreme fixed connection of dryer 9.
In this embodiment: two jacks 2 which are symmetrically distributed are fixedly connected with the upper end surface of a fixing frame 1, so that a water storage tank 6 and a dust suction device 5 which are fixedly connected with the upper end surfaces of a supporting plate 3 and the jacks 2 are utilized to achieve the effect of ascending and descending, dust falling and dust removal of dust in a building construction site are facilitated by an air duct 9 and the dust suction device 5, when the jacks 2 are started, when a mandril 201 pushes the supporting plate 3 to ascend, the air duct 9 which is fixedly connected with the upper parts of the supporting plate 3 and the supporting plate 3, the dust suction device 5 and the water storage tank 6 ascend together, water drops sprayed out of the air duct 9 are higher and farther, the spraying range is enlarged, the dust falling effect is improved, a support rod 802 and a hydraulic cylinder 8 are movable on the upper end surface of a sealing box 7, the air duct 9 can rotate, the spraying range is facilitated to be enlarged, a solar panel 706 is fixedly connected with the upper end of the water storage tank 6, solar heat energy, the high-pressure water sprayer 704 is powered, so that the dust settling device achieves the effects of high efficiency, energy conservation and dust settling, the spraying range is wide, and the dust settling efficiency is improved.
Specifically, the lower end of the water pump 701 is communicated with a water pump pipe 702, and the lower end of the water pump pipe 702 sequentially penetrates through the seal box 7 and the water storage tank 6 from top to bottom and extends into the water storage tank 6.
In this embodiment: the lower end of the water pump 701 is communicated with the water pump pipe 702, so that the water in the water storage tank 6 can be pumped into the high-pressure water sprayer 704 by the water pump pipe 702 conveniently, the high-pressure water sprayer 704 increases pressure on water speed, water is conveyed out from the spray head 902 conveniently, the sprayed distance is farther, and the high-efficiency and energy-saving dust settling effect is achieved.
Specifically, the left side of the water pump 701 is communicated with a connecting pipe 703, and the other end of the connecting pipe 703 is communicated with the right side of the high-pressure water mist device 704.
In this embodiment: through the other end with connecting pipe 703 and the right side intercommunication of high pressure water mist ware 704, water pump 701 takes out in with storage water tank 6, carry in high pressure water mist ware 704, the inside of dryer 9 is carried with water to rethread high pressure water mist ware 704, the water of carrying the inside of dryer 9 increases the water velocity pressure through high pressure water mist ware 704, thereby when the water that increases pressure is spout from individual shower nozzle 902, the spun distance is farther, make dust device carry out the dust fall operation more extensively, the dust fall effect improves, the waste of water spray has been reduced simultaneously, reach energy-efficient dust fall effect.
Specifically, the left side of the high-pressure water mist device 704 is communicated with a conveying pipeline 705, and the other end of the conveying pipeline 705 sequentially penetrates through the seal box 7 and the air duct 9 from bottom to top and extends into the air duct 9.
In this embodiment: the conveying pipeline 705 is communicated with the left side of the high-pressure water sprayer 704, so that the conveying pipeline 705 is used for conveniently conveying water in the high-pressure water sprayer 704 to the interior of the air duct 9.
Specifically, a spray pipe 901 is fixedly connected between the upper inner side wall and the lower inner side wall of the air duct 9, the left side of the spray pipe 901 is communicated with the conveying pipeline 705, and the right side of the spray pipe 901 is communicated with a plurality of spray heads 902.
In this embodiment: through a plurality of shower nozzles 902 of right side intercommunication at spray tube 901, at the inside fan that sets up of dryer 9 to make a plurality of shower nozzles 902 carry water, under the effect of fan, form vaporific drop of water, reduced the dust volume, the dust device of messenger reaches the effect of dust fall.
Specifically, a collection box 501 is inserted into the front end surface of the dust suction device 5, a dust suction pipe 503 is communicated with the upper end surface of the dust suction device 5, and a dust suction cover 502 is fixedly connected to the other end of the dust suction pipe 503.
In this embodiment: through the preceding terminal surface grafting at dust extraction 5 and collecting box 501, remove dust to the dust in construction place with the suction hood 502 that dust extraction 5 top set up, collect the dust that box 501 is convenient for the staff clearance dust extraction 5 collected to make the dust device of construction usefulness reach the effect of high-efficient dust removal.
Specifically, the lower end face of the fixing frame 1 is fixedly connected with four universal wheels 101 which are symmetrically distributed, the left side of the fixing frame 1 is fixedly connected with two push rods 102, the upper end face of the fixing frame 1 is fixedly connected with four auxiliary rods 103 which are symmetrically distributed, and the upper end faces of the four auxiliary rods 103 are fixedly connected with the lower end face of the supporting plate 3.
In this embodiment: through the universal wheel 101 at four symmetric distributions of lower terminal surface fixed connection of mount 1 to conveniently remove dust device with universal wheel 101, when fagging 3 rose through jack 2, the auxiliary rod 103 that fagging 3 below set up can the auxiliary stay board 3 of supporting, made the pressure that jack 2 received reduce, made fagging 3 go up and down more steadily.
The working principle is as follows: firstly, two jacks 2 which are symmetrically distributed are fixedly connected on the upper end surface of a fixing frame 1, a water storage tank 6 and a dust suction device 5 which are fixedly connected with the upper end surfaces of a supporting plate 3 are enabled to achieve the effect of ascending and descending by utilizing the jacks 2, so that dust falling and dust removal of dust in a building construction site are facilitated by an air duct 9 and the dust suction device 5, when the jacks 2 are started, a mandril 201 pushes the supporting plate 3 to ascend, the air duct 9 and the dust suction device 5 which are fixedly connected with the upper parts of the supporting plate 3 and the water storage tank 6 ascend together, the lower end of a water pump 701 is communicated with a water pump pipe 702, water in the water storage tank 6 is pumped into a high-pressure water sprayer 704 by the water pump pipe 702, the high-pressure water sprayer 704 increases the pressure on the water speed, the water with the increased pressure is conveyed into the air duct 9 by a conveying pipeline 705 communicated with the left side of the high-pressure water sprayer 704, and, make dust device carry out the dust fall operation more extensive, dust suppression effect is good, reduces the waste of water resource simultaneously, reaches energy-efficient dust suppression effect, at seal box 7's up end activity vaulting pole 802 and pneumatic cylinder 8, makes dryer 9 can rotate, and the increase of being convenient for sprays the scope.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. Energy-efficient dust device for construction, including mount (1), its characterized in that: jack (2) of two symmetric distributions of up end fixedly connected with of mount (1), the equal fixedly connected with ejector pin (201) of output of two jack (2), two upper end fixedly connected with fagging (3) of ejector pin (201), the up end of fagging (3) is fixedly connected with storage water tank (6) and dust extraction (5) in proper order from a left side to the right side, the left side intercommunication of storage water tank (6) has water pipe (601), lower terminal surface fixedly connected with controller (4) of fagging (3), controller (4) are located between two jack (2), the up end of storage water tank (6) is fixedly connected with solar panel (706) and seal box (7) in proper order from a left side to the right side, fixedly connected with high pressure water atomizer (704) and water pump (701) in proper order from a left side to the right side of seal box (7), the up end of seal box (7) is movable vaulting pole that two front and back distributions of fixedly connected with from a left side to the right side in (802) And a motor support (803), two the inside of activity vaulting pole (802) is all pegged graft and is had loose bearing (804), two one side fixedly connected with dryer (9) that loose bearing (804) are relative, up end fixedly connected with pneumatic cylinder (8) of motor support (803), the output fixedly connected with hydraulic telescoping rod (801) of pneumatic cylinder (8), the other end of hydraulic telescoping rod (801) and the lower extreme fixed connection of dryer (9).
2. The high-efficiency energy-saving dust falling device for building construction according to claim 1, characterized in that: the lower extreme intercommunication of water pump (701) has water pump pipe (702), the lower extreme of water pump pipe (702) is from last to running through seal box (7) and storage water tank (6) and extending to the inside of storage water tank (6) down in proper order.
3. The high-efficiency energy-saving dust falling device for building construction according to claim 1, characterized in that: the left side of the water pump (701) is communicated with a connecting pipe (703), and the other end of the connecting pipe (703) is communicated with the right side of the high-pressure water mist device (704).
4. The high-efficiency energy-saving dust falling device for building construction according to claim 1, characterized in that: the left side of the high-pressure water mist device (704) is communicated with a conveying pipeline (705), and the other end of the conveying pipeline (705) sequentially penetrates through the sealing box (7) and the air duct (9) from bottom to top and extends into the air duct (9).
5. The high-efficiency energy-saving dust falling device for building construction according to claim 4, characterized in that: a spray pipe (901) is fixedly connected between the upper inner side wall and the lower inner side wall of the air duct (9), the left side of the spray pipe (901) is communicated with the conveying pipeline (705), and the right side of the spray pipe (901) is communicated with a plurality of spray heads (902).
6. The high-efficiency energy-saving dust falling device for building construction according to claim 1, characterized in that: the dust collector is characterized in that a collecting box (501) is inserted into the front end face of the dust collecting device (5), the upper end face of the dust collecting device (5) is communicated with a dust collecting pipe (503), and the other end of the dust collecting pipe (503) is fixedly connected with a dust collecting cover (502).
7. The high-efficiency energy-saving dust falling device for building construction according to claim 1, characterized in that: the universal wheel (101) of four symmetric distributions of lower terminal surface fixedly connected with of mount (1), two push rods (102) of left side fixedly connected with of mount (1), auxiliary rod (103) of four symmetric distributions of up end fixedly connected with of mount (1), four the up end of auxiliary rod (103) and the lower terminal surface fixed connection of fagging (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922457085.7U CN211753459U (en) | 2019-12-31 | 2019-12-31 | Efficient and energy-saving dust settling device for building construction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201922457085.7U CN211753459U (en) | 2019-12-31 | 2019-12-31 | Efficient and energy-saving dust settling device for building construction |
Publications (1)
Publication Number | Publication Date |
---|---|
CN211753459U true CN211753459U (en) | 2020-10-27 |
Family
ID=72977843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201922457085.7U Expired - Fee Related CN211753459U (en) | 2019-12-31 | 2019-12-31 | Efficient and energy-saving dust settling device for building construction |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN211753459U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112387038A (en) * | 2020-11-17 | 2021-02-23 | 云南建丰实业(集团)有限公司 | High-efficient dust collector is used in construction protection |
CN112973335A (en) * | 2021-03-02 | 2021-06-18 | 徐州新智动智能化科技有限公司 | Spraying dust suppression device with adjustable spraying height |
-
2019
- 2019-12-31 CN CN201922457085.7U patent/CN211753459U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112387038A (en) * | 2020-11-17 | 2021-02-23 | 云南建丰实业(集团)有限公司 | High-efficient dust collector is used in construction protection |
CN112973335A (en) * | 2021-03-02 | 2021-06-18 | 徐州新智动智能化科技有限公司 | Spraying dust suppression device with adjustable spraying height |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211753459U (en) | Efficient and energy-saving dust settling device for building construction | |
CN211358144U (en) | Weaving dust collector that dust removal effect is good | |
CN207769450U (en) | A kind of environment-friendly type building construction dust-extraction unit | |
CN220257522U (en) | Green energy-saving construction dust fall equipment | |
CN212548777U (en) | Dust collector for building site | |
CN210699320U (en) | Dust collecting equipment for building construction site is built in room | |
CN108149742A (en) | A kind of plant gardens rain collector | |
CN204911878U (en) | Environment -friendly steel pipe paint spraying machine | |
CN216381483U (en) | Tunnel construction is with tunnel automatic spray maintenance platform truck of high-efficient purification | |
CN215962728U (en) | Multistage fountain dust suppression water saving fixtures that green building construction used | |
CN211987798U (en) | Dust suppression device for coal mining | |
CN216703823U (en) | Dust device for building engineering | |
CN202427593U (en) | Environmentally-friendly efficient water vortex spray chamber | |
CN213838667U (en) | Green and environment-friendly dust removal device for tunnel construction | |
CN212175644U (en) | Dust fall equipment for construction | |
CN211753508U (en) | Environmental protection dust collecting equipment of building engineering construction | |
CN216149361U (en) | Energy-concerving and environment-protective green construction water smoke formula air cleaner | |
CN213627654U (en) | A ventilation dust device for tunnel entrance to a cave | |
CN217041857U (en) | High-efficient dust collector of building civil engineering | |
CN216156468U (en) | Steady layer road surface of water cleans equipment | |
CN216023832U (en) | Dust device for engineering construction | |
CN204073731U (en) | Submersible pump paint spraying system | |
CN220090924U (en) | Parallel air dust collector | |
CN217829428U (en) | High-efficient dust pelletizing system of building civil engineering construction | |
CN219399519U (en) | Environmental engineering dust remover |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201027 Termination date: 20211231 |
|
CF01 | Termination of patent right due to non-payment of annual fee |